./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-86.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 803cd42f Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-86.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2633f484e0865e6e431657ee89a0a14b8fb20a20b6a1493f613e45a885039ef4 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 13:11:40,114 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 13:11:40,180 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-22 13:11:40,187 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 13:11:40,188 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 13:11:40,204 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 13:11:40,205 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 13:11:40,205 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 13:11:40,205 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 13:11:40,206 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 13:11:40,206 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 13:11:40,206 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 13:11:40,207 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 13:11:40,207 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 13:11:40,207 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 13:11:40,207 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 13:11:40,208 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 13:11:40,208 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-22 13:11:40,208 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 13:11:40,209 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-22 13:11:40,209 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 13:11:40,209 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 13:11:40,210 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 13:11:40,210 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 13:11:40,210 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 13:11:40,210 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-22 13:11:40,211 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 13:11:40,211 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 13:11:40,211 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 13:11:40,212 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 13:11:40,212 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 13:11:40,212 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 13:11:40,212 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 13:11:40,213 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 13:11:40,213 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 13:11:40,213 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 13:11:40,214 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 13:11:40,214 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 13:11:40,214 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 13:11:40,214 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 13:11:40,214 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 13:11:40,215 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 13:11:40,215 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2633f484e0865e6e431657ee89a0a14b8fb20a20b6a1493f613e45a885039ef4 [2024-11-22 13:11:40,418 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 13:11:40,450 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 13:11:40,453 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 13:11:40,453 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 13:11:40,454 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 13:11:40,456 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-86.i [2024-11-22 13:11:41,720 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 13:11:41,894 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 13:11:41,895 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-86.i [2024-11-22 13:11:41,902 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7e7e5462/5d9c9f6a80164d65a9c8be57851b3bf2/FLAGc8053a797 [2024-11-22 13:11:41,913 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7e7e5462/5d9c9f6a80164d65a9c8be57851b3bf2 [2024-11-22 13:11:41,915 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 13:11:41,916 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 13:11:41,917 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 13:11:41,917 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 13:11:41,925 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 13:11:41,926 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:11:41" (1/1) ... [2024-11-22 13:11:41,928 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3dc405f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:11:41, skipping insertion in model container [2024-11-22 13:11:41,931 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:11:41" (1/1) ... [2024-11-22 13:11:41,968 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 13:11:42,098 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-86.i[916,929] [2024-11-22 13:11:42,175 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 13:11:42,184 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 13:11:42,193 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-86.i[916,929] [2024-11-22 13:11:42,223 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 13:11:42,251 INFO L204 MainTranslator]: Completed translation [2024-11-22 13:11:42,255 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:11:42 WrapperNode [2024-11-22 13:11:42,255 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 13:11:42,256 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 13:11:42,256 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 13:11:42,256 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 13:11:42,265 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:11:42" (1/1) ... [2024-11-22 13:11:42,291 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:11:42" (1/1) ... [2024-11-22 13:11:42,392 INFO L138 Inliner]: procedures = 30, calls = 243, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 764 [2024-11-22 13:11:42,393 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 13:11:42,393 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 13:11:42,393 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 13:11:42,394 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 13:11:42,402 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:11:42" (1/1) ... [2024-11-22 13:11:42,406 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:11:42" (1/1) ... [2024-11-22 13:11:42,416 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:11:42" (1/1) ... [2024-11-22 13:11:42,422 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2024-11-22 13:11:42,422 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:11:42" (1/1) ... [2024-11-22 13:11:42,423 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:11:42" (1/1) ... [2024-11-22 13:11:42,442 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:11:42" (1/1) ... [2024-11-22 13:11:42,446 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:11:42" (1/1) ... [2024-11-22 13:11:42,449 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:11:42" (1/1) ... [2024-11-22 13:11:42,452 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:11:42" (1/1) ... [2024-11-22 13:11:42,458 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 13:11:42,459 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 13:11:42,459 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 13:11:42,459 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 13:11:42,459 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:11:42" (1/1) ... [2024-11-22 13:11:42,464 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 13:11:42,474 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 13:11:42,497 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-22 13:11:42,499 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-22 13:11:42,531 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 13:11:42,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2024-11-22 13:11:42,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-22 13:11:42,531 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-22 13:11:42,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-22 13:11:42,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-22 13:11:42,532 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-22 13:11:42,532 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-22 13:11:42,532 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-22 13:11:42,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-22 13:11:42,532 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 13:11:42,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 13:11:42,682 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 13:11:42,684 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 13:11:43,512 INFO L? ?]: Removed 251 outVars from TransFormulas that were not future-live. [2024-11-22 13:11:43,514 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 13:11:43,530 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 13:11:43,533 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-22 13:11:43,533 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:11:43 BoogieIcfgContainer [2024-11-22 13:11:43,534 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 13:11:43,536 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 13:11:43,537 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 13:11:43,540 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 13:11:43,540 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:11:41" (1/3) ... [2024-11-22 13:11:43,541 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5520c5b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:11:43, skipping insertion in model container [2024-11-22 13:11:43,542 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:11:42" (2/3) ... [2024-11-22 13:11:43,542 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5520c5b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:11:43, skipping insertion in model container [2024-11-22 13:11:43,542 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:11:43" (3/3) ... [2024-11-22 13:11:43,543 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-86.i [2024-11-22 13:11:43,558 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 13:11:43,559 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-22 13:11:43,620 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 13:11:43,625 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2ae1a240, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 13:11:43,625 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-22 13:11:43,629 INFO L276 IsEmpty]: Start isEmpty. Operand has 159 states, 131 states have (on average 1.4351145038167938) internal successors, (188), 132 states have internal predecessors, (188), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-22 13:11:43,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-11-22 13:11:43,645 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 13:11:43,646 INFO L215 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 13:11:43,647 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 13:11:43,652 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 13:11:43,652 INFO L85 PathProgramCache]: Analyzing trace with hash -665917478, now seen corresponding path program 1 times [2024-11-22 13:11:43,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 13:11:43,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1132744579] [2024-11-22 13:11:43,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 13:11:43,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 13:11:43,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 13:11:44,133 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 1152 trivial. 0 not checked. [2024-11-22 13:11:44,151 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 13:11:44,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1132744579] [2024-11-22 13:11:44,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1132744579] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 13:11:44,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1659245953] [2024-11-22 13:11:44,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 13:11:44,152 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 13:11:44,152 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 13:11:44,159 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 13:11:44,173 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-22 13:11:44,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 13:11:44,398 INFO L255 TraceCheckSpWp]: Trace formula consists of 644 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-22 13:11:44,408 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 13:11:44,438 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 1152 trivial. 0 not checked. [2024-11-22 13:11:44,439 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 13:11:44,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1659245953] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 13:11:44,439 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 13:11:44,439 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-22 13:11:44,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682874509] [2024-11-22 13:11:44,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 13:11:44,445 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-22 13:11:44,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 13:11:44,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-22 13:11:44,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-22 13:11:44,465 INFO L87 Difference]: Start difference. First operand has 159 states, 131 states have (on average 1.4351145038167938) internal successors, (188), 132 states have internal predecessors, (188), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) Second operand has 2 states, 2 states have (on average 32.5) internal successors, (65), 2 states have internal predecessors, (65), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-22 13:11:44,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 13:11:44,499 INFO L93 Difference]: Finished difference Result 311 states and 495 transitions. [2024-11-22 13:11:44,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-22 13:11:44,501 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 32.5) internal successors, (65), 2 states have internal predecessors, (65), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 2 states have call successors, (25) Word has length 185 [2024-11-22 13:11:44,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 13:11:44,507 INFO L225 Difference]: With dead ends: 311 [2024-11-22 13:11:44,508 INFO L226 Difference]: Without dead ends: 155 [2024-11-22 13:11:44,511 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-22 13:11:44,513 INFO L432 NwaCegarLoop]: 231 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 231 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 13:11:44,514 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 231 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 13:11:44,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2024-11-22 13:11:44,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 155. [2024-11-22 13:11:44,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 128 states have (on average 1.4140625) internal successors, (181), 128 states have internal predecessors, (181), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-22 13:11:44,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 231 transitions. [2024-11-22 13:11:44,564 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 231 transitions. Word has length 185 [2024-11-22 13:11:44,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 13:11:44,564 INFO L471 AbstractCegarLoop]: Abstraction has 155 states and 231 transitions. [2024-11-22 13:11:44,564 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 32.5) internal successors, (65), 2 states have internal predecessors, (65), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-22 13:11:44,565 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 231 transitions. [2024-11-22 13:11:44,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-11-22 13:11:44,567 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 13:11:44,567 INFO L215 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 13:11:44,577 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-22 13:11:44,768 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-22 13:11:44,769 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 13:11:44,769 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 13:11:44,769 INFO L85 PathProgramCache]: Analyzing trace with hash 238950816, now seen corresponding path program 1 times [2024-11-22 13:11:44,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 13:11:44,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288211392] [2024-11-22 13:11:44,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 13:11:44,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 13:11:44,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 13:11:45,170 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-11-22 13:11:45,171 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 13:11:45,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1288211392] [2024-11-22 13:11:45,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1288211392] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 13:11:45,171 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 13:11:45,171 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 13:11:45,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661119448] [2024-11-22 13:11:45,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 13:11:45,172 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 13:11:45,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 13:11:45,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 13:11:45,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 13:11:45,177 INFO L87 Difference]: Start difference. First operand 155 states and 231 transitions. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-22 13:11:45,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 13:11:45,226 INFO L93 Difference]: Finished difference Result 310 states and 463 transitions. [2024-11-22 13:11:45,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 13:11:45,227 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 185 [2024-11-22 13:11:45,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 13:11:45,230 INFO L225 Difference]: With dead ends: 310 [2024-11-22 13:11:45,232 INFO L226 Difference]: Without dead ends: 158 [2024-11-22 13:11:45,233 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 13:11:45,236 INFO L432 NwaCegarLoop]: 228 mSDtfsCounter, 1 mSDsluCounter, 447 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 675 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 13:11:45,236 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 675 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 13:11:45,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2024-11-22 13:11:45,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 157. [2024-11-22 13:11:45,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 130 states have (on average 1.4076923076923078) internal successors, (183), 130 states have internal predecessors, (183), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-22 13:11:45,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 233 transitions. [2024-11-22 13:11:45,255 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 233 transitions. Word has length 185 [2024-11-22 13:11:45,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 13:11:45,256 INFO L471 AbstractCegarLoop]: Abstraction has 157 states and 233 transitions. [2024-11-22 13:11:45,259 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-22 13:11:45,260 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 233 transitions. [2024-11-22 13:11:45,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-11-22 13:11:45,262 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 13:11:45,262 INFO L215 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 13:11:45,262 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-22 13:11:45,262 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 13:11:45,263 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 13:11:45,263 INFO L85 PathProgramCache]: Analyzing trace with hash 240797858, now seen corresponding path program 1 times [2024-11-22 13:11:45,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 13:11:45,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [937283597] [2024-11-22 13:11:45,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 13:11:45,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 13:11:45,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 13:11:46,128 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-11-22 13:11:46,129 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 13:11:46,129 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [937283597] [2024-11-22 13:11:46,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [937283597] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 13:11:46,130 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 13:11:46,130 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 13:11:46,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000289375] [2024-11-22 13:11:46,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 13:11:46,131 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 13:11:46,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 13:11:46,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 13:11:46,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 13:11:46,134 INFO L87 Difference]: Start difference. First operand 157 states and 233 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-22 13:11:46,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 13:11:46,724 INFO L93 Difference]: Finished difference Result 410 states and 609 transitions. [2024-11-22 13:11:46,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 13:11:46,725 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 185 [2024-11-22 13:11:46,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 13:11:46,731 INFO L225 Difference]: With dead ends: 410 [2024-11-22 13:11:46,732 INFO L226 Difference]: Without dead ends: 256 [2024-11-22 13:11:46,732 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-22 13:11:46,733 INFO L432 NwaCegarLoop]: 227 mSDtfsCounter, 129 mSDsluCounter, 552 mSDsCounter, 0 mSdLazyCounter, 392 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 779 SdHoareTripleChecker+Invalid, 397 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 392 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-22 13:11:46,733 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [129 Valid, 779 Invalid, 397 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 392 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-22 13:11:46,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2024-11-22 13:11:46,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 253. [2024-11-22 13:11:46,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 253 states, 219 states have (on average 1.4337899543378996) internal successors, (314), 220 states have internal predecessors, (314), 31 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (31), 30 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-22 13:11:46,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 376 transitions. [2024-11-22 13:11:46,754 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 376 transitions. Word has length 185 [2024-11-22 13:11:46,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 13:11:46,756 INFO L471 AbstractCegarLoop]: Abstraction has 253 states and 376 transitions. [2024-11-22 13:11:46,756 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-22 13:11:46,756 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 376 transitions. [2024-11-22 13:11:46,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2024-11-22 13:11:46,760 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 13:11:46,760 INFO L215 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 13:11:46,760 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-22 13:11:46,761 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 13:11:46,761 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 13:11:46,761 INFO L85 PathProgramCache]: Analyzing trace with hash 816782759, now seen corresponding path program 1 times [2024-11-22 13:11:46,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 13:11:46,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [77587545] [2024-11-22 13:11:46,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 13:11:46,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 13:11:46,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 13:11:48,752 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-11-22 13:11:48,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 13:11:48,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [77587545] [2024-11-22 13:11:48,753 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [77587545] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 13:11:48,753 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 13:11:48,753 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-22 13:11:48,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152711722] [2024-11-22 13:11:48,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 13:11:48,755 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 13:11:48,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 13:11:48,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 13:11:48,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-22 13:11:48,756 INFO L87 Difference]: Start difference. First operand 253 states and 376 transitions. Second operand has 6 states, 5 states have (on average 13.0) internal successors, (65), 6 states have internal predecessors, (65), 2 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-22 13:11:49,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 13:11:49,192 INFO L93 Difference]: Finished difference Result 500 states and 743 transitions. [2024-11-22 13:11:49,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-22 13:11:49,193 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.0) internal successors, (65), 6 states have internal predecessors, (65), 2 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 2 states have call successors, (25) Word has length 187 [2024-11-22 13:11:49,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 13:11:49,195 INFO L225 Difference]: With dead ends: 500 [2024-11-22 13:11:49,196 INFO L226 Difference]: Without dead ends: 250 [2024-11-22 13:11:49,196 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-22 13:11:49,197 INFO L432 NwaCegarLoop]: 203 mSDtfsCounter, 212 mSDsluCounter, 427 mSDsCounter, 0 mSdLazyCounter, 430 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 213 SdHoareTripleChecker+Valid, 630 SdHoareTripleChecker+Invalid, 440 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 430 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-22 13:11:49,197 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [213 Valid, 630 Invalid, 440 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 430 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-22 13:11:49,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2024-11-22 13:11:49,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 248. [2024-11-22 13:11:49,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 248 states, 214 states have (on average 1.4205607476635513) internal successors, (304), 215 states have internal predecessors, (304), 31 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (31), 30 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-22 13:11:49,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 366 transitions. [2024-11-22 13:11:49,206 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 366 transitions. Word has length 187 [2024-11-22 13:11:49,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 13:11:49,207 INFO L471 AbstractCegarLoop]: Abstraction has 248 states and 366 transitions. [2024-11-22 13:11:49,207 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.0) internal successors, (65), 6 states have internal predecessors, (65), 2 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-22 13:11:49,207 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 366 transitions. [2024-11-22 13:11:49,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2024-11-22 13:11:49,208 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 13:11:49,208 INFO L215 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 13:11:49,209 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-22 13:11:49,209 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 13:11:49,209 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 13:11:49,209 INFO L85 PathProgramCache]: Analyzing trace with hash -204285595, now seen corresponding path program 1 times [2024-11-22 13:11:49,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 13:11:49,210 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [148907491] [2024-11-22 13:11:49,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 13:11:49,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 13:11:49,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 13:11:50,859 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-11-22 13:11:50,860 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 13:11:50,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [148907491] [2024-11-22 13:11:50,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [148907491] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 13:11:50,860 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 13:11:50,860 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-22 13:11:50,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [106949775] [2024-11-22 13:11:50,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 13:11:50,861 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 13:11:50,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 13:11:50,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 13:11:50,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-22 13:11:50,862 INFO L87 Difference]: Start difference. First operand 248 states and 366 transitions. Second operand has 6 states, 5 states have (on average 13.0) internal successors, (65), 6 states have internal predecessors, (65), 2 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-22 13:11:51,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 13:11:51,281 INFO L93 Difference]: Finished difference Result 495 states and 730 transitions. [2024-11-22 13:11:51,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 13:11:51,282 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.0) internal successors, (65), 6 states have internal predecessors, (65), 2 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 2 states have call successors, (25) Word has length 187 [2024-11-22 13:11:51,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 13:11:51,283 INFO L225 Difference]: With dead ends: 495 [2024-11-22 13:11:51,284 INFO L226 Difference]: Without dead ends: 250 [2024-11-22 13:11:51,284 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-22 13:11:51,285 INFO L432 NwaCegarLoop]: 263 mSDtfsCounter, 204 mSDsluCounter, 513 mSDsCounter, 0 mSdLazyCounter, 456 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 205 SdHoareTripleChecker+Valid, 776 SdHoareTripleChecker+Invalid, 460 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 456 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-22 13:11:51,285 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [205 Valid, 776 Invalid, 460 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 456 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-22 13:11:51,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2024-11-22 13:11:51,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 248. [2024-11-22 13:11:51,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 248 states, 214 states have (on average 1.4158878504672898) internal successors, (303), 215 states have internal predecessors, (303), 31 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (31), 30 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-22 13:11:51,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 365 transitions. [2024-11-22 13:11:51,293 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 365 transitions. Word has length 187 [2024-11-22 13:11:51,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 13:11:51,294 INFO L471 AbstractCegarLoop]: Abstraction has 248 states and 365 transitions. [2024-11-22 13:11:51,294 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.0) internal successors, (65), 6 states have internal predecessors, (65), 2 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-22 13:11:51,294 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 365 transitions. [2024-11-22 13:11:51,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2024-11-22 13:11:51,295 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 13:11:51,296 INFO L215 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 13:11:51,296 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-22 13:11:51,296 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 13:11:51,296 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 13:11:51,296 INFO L85 PathProgramCache]: Analyzing trace with hash 768425565, now seen corresponding path program 1 times [2024-11-22 13:11:51,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 13:11:51,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765208936] [2024-11-22 13:11:51,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 13:11:51,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 13:11:51,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 13:11:51,808 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 69 proven. 3 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2024-11-22 13:11:51,808 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 13:11:51,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [765208936] [2024-11-22 13:11:51,808 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [765208936] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 13:11:51,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [554877095] [2024-11-22 13:11:51,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 13:11:51,809 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 13:11:51,809 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 13:11:51,812 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 13:11:51,817 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-22 13:11:52,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 13:11:52,311 INFO L255 TraceCheckSpWp]: Trace formula consists of 653 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-22 13:11:52,320 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 13:11:52,414 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-22 13:11:52,415 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 33 [2024-11-22 13:11:52,453 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-22 13:11:52,454 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 46 treesize of output 36 [2024-11-22 13:11:52,470 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-22 13:11:52,471 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 48 treesize of output 47 [2024-11-22 13:11:52,516 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-22 13:11:52,516 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 53 treesize of output 19 [2024-11-22 13:11:52,560 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 162 proven. 3 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2024-11-22 13:11:52,561 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 13:11:52,833 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 69 proven. 3 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2024-11-22 13:11:52,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [554877095] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 13:11:52,835 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 13:11:52,835 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9, 8] total 18 [2024-11-22 13:11:52,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246739491] [2024-11-22 13:11:52,835 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 13:11:52,836 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-22 13:11:52,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 13:11:52,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-22 13:11:52,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=242, Unknown=0, NotChecked=0, Total=306 [2024-11-22 13:11:52,838 INFO L87 Difference]: Start difference. First operand 248 states and 365 transitions. Second operand has 18 states, 15 states have (on average 6.2) internal successors, (93), 18 states have internal predecessors, (93), 6 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (29), 3 states have call predecessors, (29), 6 states have call successors, (29) [2024-11-22 13:11:54,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 13:11:54,960 INFO L93 Difference]: Finished difference Result 591 states and 859 transitions. [2024-11-22 13:11:54,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-22 13:11:54,961 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 15 states have (on average 6.2) internal successors, (93), 18 states have internal predecessors, (93), 6 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (29), 3 states have call predecessors, (29), 6 states have call successors, (29) Word has length 187 [2024-11-22 13:11:54,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 13:11:54,963 INFO L225 Difference]: With dead ends: 591 [2024-11-22 13:11:54,963 INFO L226 Difference]: Without dead ends: 346 [2024-11-22 13:11:54,964 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 408 GetRequests, 368 SyntacticMatches, 1 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 328 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=367, Invalid=1273, Unknown=0, NotChecked=0, Total=1640 [2024-11-22 13:11:54,965 INFO L432 NwaCegarLoop]: 128 mSDtfsCounter, 989 mSDsluCounter, 538 mSDsCounter, 0 mSdLazyCounter, 1834 mSolverCounterSat, 381 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 995 SdHoareTripleChecker+Valid, 666 SdHoareTripleChecker+Invalid, 2215 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 381 IncrementalHoareTripleChecker+Valid, 1834 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-22 13:11:54,965 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [995 Valid, 666 Invalid, 2215 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [381 Valid, 1834 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-22 13:11:54,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2024-11-22 13:11:54,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 252. [2024-11-22 13:11:54,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 252 states, 217 states have (on average 1.400921658986175) internal successors, (304), 218 states have internal predecessors, (304), 31 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (31), 30 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-22 13:11:54,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 366 transitions. [2024-11-22 13:11:54,985 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 366 transitions. Word has length 187 [2024-11-22 13:11:54,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 13:11:54,986 INFO L471 AbstractCegarLoop]: Abstraction has 252 states and 366 transitions. [2024-11-22 13:11:54,986 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 15 states have (on average 6.2) internal successors, (93), 18 states have internal predecessors, (93), 6 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (29), 3 states have call predecessors, (29), 6 states have call successors, (29) [2024-11-22 13:11:54,986 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 366 transitions. [2024-11-22 13:11:54,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2024-11-22 13:11:54,988 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 13:11:54,988 INFO L215 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 13:11:54,997 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-22 13:11:55,192 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-22 13:11:55,193 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 13:11:55,193 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 13:11:55,193 INFO L85 PathProgramCache]: Analyzing trace with hash -521316907, now seen corresponding path program 1 times [2024-11-22 13:11:55,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 13:11:55,194 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092686728] [2024-11-22 13:11:55,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 13:11:55,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 13:11:55,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-22 13:11:55,334 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-22 13:11:55,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-22 13:11:55,467 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-22 13:11:55,467 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-22 13:11:55,469 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-22 13:11:55,471 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-22 13:11:55,473 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2024-11-22 13:11:55,544 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-22 13:11:55,547 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 01:11:55 BoogieIcfgContainer [2024-11-22 13:11:55,547 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-22 13:11:55,547 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-22 13:11:55,547 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-22 13:11:55,547 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-22 13:11:55,548 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:11:43" (3/4) ... [2024-11-22 13:11:55,549 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-22 13:11:55,550 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-22 13:11:55,551 INFO L158 Benchmark]: Toolchain (without parser) took 13634.46ms. Allocated memory was 159.4MB in the beginning and 813.7MB in the end (delta: 654.3MB). Free memory was 84.7MB in the beginning and 481.0MB in the end (delta: -396.3MB). Peak memory consumption was 258.2MB. Max. memory is 16.1GB. [2024-11-22 13:11:55,551 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 159.4MB. Free memory is still 108.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-22 13:11:55,551 INFO L158 Benchmark]: CACSL2BoogieTranslator took 338.51ms. Allocated memory is still 159.4MB. Free memory was 84.5MB in the beginning and 61.2MB in the end (delta: 23.3MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-22 13:11:55,551 INFO L158 Benchmark]: Boogie Procedure Inliner took 136.45ms. Allocated memory was 159.4MB in the beginning and 224.4MB in the end (delta: 65.0MB). Free memory was 61.2MB in the beginning and 191.2MB in the end (delta: -130.0MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. [2024-11-22 13:11:55,551 INFO L158 Benchmark]: Boogie Preprocessor took 64.66ms. Allocated memory is still 224.4MB. Free memory was 191.2MB in the beginning and 184.9MB in the end (delta: 6.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-22 13:11:55,552 INFO L158 Benchmark]: RCFGBuilder took 1075.32ms. Allocated memory is still 224.4MB. Free memory was 184.9MB in the beginning and 133.6MB in the end (delta: 51.3MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-11-22 13:11:55,552 INFO L158 Benchmark]: TraceAbstraction took 12011.26ms. Allocated memory was 224.4MB in the beginning and 813.7MB in the end (delta: 589.3MB). Free memory was 132.5MB in the beginning and 482.0MB in the end (delta: -349.5MB). Peak memory consumption was 239.8MB. Max. memory is 16.1GB. [2024-11-22 13:11:55,552 INFO L158 Benchmark]: Witness Printer took 3.07ms. Allocated memory is still 813.7MB. Free memory was 482.0MB in the beginning and 481.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-22 13:11:55,554 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 159.4MB. Free memory is still 108.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 338.51ms. Allocated memory is still 159.4MB. Free memory was 84.5MB in the beginning and 61.2MB in the end (delta: 23.3MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 136.45ms. Allocated memory was 159.4MB in the beginning and 224.4MB in the end (delta: 65.0MB). Free memory was 61.2MB in the beginning and 191.2MB in the end (delta: -130.0MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 64.66ms. Allocated memory is still 224.4MB. Free memory was 191.2MB in the beginning and 184.9MB in the end (delta: 6.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1075.32ms. Allocated memory is still 224.4MB. Free memory was 184.9MB in the beginning and 133.6MB in the end (delta: 51.3MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * TraceAbstraction took 12011.26ms. Allocated memory was 224.4MB in the beginning and 813.7MB in the end (delta: 589.3MB). Free memory was 132.5MB in the beginning and 482.0MB in the end (delta: -349.5MB). Peak memory consumption was 239.8MB. Max. memory is 16.1GB. * Witness Printer took 3.07ms. Allocated memory is still 813.7MB. Free memory was 482.0MB in the beginning and 481.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 130, overapproximation of shiftLeft at line 79, overapproximation of someBinaryArithmeticFLOAToperation at line 73. Possible FailurePath: [L42] unsigned char isInitial = 0; [L43-L62] struct WrapperStruct00 WrapperStruct00 = { 0, 0, 2, 256, -256, 2, 255.8, 127.8, 128.5, 499.3, 10, 1, 8, 256, 1, 16, 57705, 64 }; VAL [WrapperStruct00={4:0}, isInitial=0] [L134] isInitial = 1 [L135] FCALL initially() [L136] COND TRUE 1 [L137] FCALL updateLastVariables() [L138] CALL updateVariables() [L87] WrapperStruct00.var_1_2 = __VERIFIER_nondet_uchar() [L88] EXPR WrapperStruct00.var_1_2 VAL [WrapperStruct00={4:0}, isInitial=1] [L88] CALL assume_abort_if_not(WrapperStruct00.var_1_2 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L88] RET assume_abort_if_not(WrapperStruct00.var_1_2 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1] [L89] EXPR WrapperStruct00.var_1_2 VAL [WrapperStruct00={4:0}, isInitial=1] [L89] CALL assume_abort_if_not(WrapperStruct00.var_1_2 <= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L89] RET assume_abort_if_not(WrapperStruct00.var_1_2 <= 1) VAL [WrapperStruct00={4:0}, isInitial=1] [L90] WrapperStruct00.var_1_3 = __VERIFIER_nondet_short() [L91] EXPR WrapperStruct00.var_1_3 VAL [WrapperStruct00={4:0}, isInitial=1] [L91] CALL assume_abort_if_not(WrapperStruct00.var_1_3 >= -16383) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L91] RET assume_abort_if_not(WrapperStruct00.var_1_3 >= -16383) VAL [WrapperStruct00={4:0}, isInitial=1] [L92] EXPR WrapperStruct00.var_1_3 VAL [WrapperStruct00={4:0}, isInitial=1] [L92] CALL assume_abort_if_not(WrapperStruct00.var_1_3 <= 16383) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L92] RET assume_abort_if_not(WrapperStruct00.var_1_3 <= 16383) VAL [WrapperStruct00={4:0}, isInitial=1] [L93] WrapperStruct00.var_1_4 = __VERIFIER_nondet_short() [L94] EXPR WrapperStruct00.var_1_4 VAL [WrapperStruct00={4:0}, isInitial=1] [L94] CALL assume_abort_if_not(WrapperStruct00.var_1_4 >= -8191) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L94] RET assume_abort_if_not(WrapperStruct00.var_1_4 >= -8191) VAL [WrapperStruct00={4:0}, isInitial=1] [L95] EXPR WrapperStruct00.var_1_4 VAL [WrapperStruct00={4:0}, isInitial=1] [L95] CALL assume_abort_if_not(WrapperStruct00.var_1_4 <= 8192) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L95] RET assume_abort_if_not(WrapperStruct00.var_1_4 <= 8192) VAL [WrapperStruct00={4:0}, isInitial=1] [L96] WrapperStruct00.var_1_5 = __VERIFIER_nondet_short() [L97] EXPR WrapperStruct00.var_1_5 VAL [WrapperStruct00={4:0}, isInitial=1] [L97] CALL assume_abort_if_not(WrapperStruct00.var_1_5 >= -8191) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L97] RET assume_abort_if_not(WrapperStruct00.var_1_5 >= -8191) VAL [WrapperStruct00={4:0}, isInitial=1] [L98] EXPR WrapperStruct00.var_1_5 VAL [WrapperStruct00={4:0}, isInitial=1] [L98] CALL assume_abort_if_not(WrapperStruct00.var_1_5 <= 8191) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L98] RET assume_abort_if_not(WrapperStruct00.var_1_5 <= 8191) VAL [WrapperStruct00={4:0}, isInitial=1] [L99] WrapperStruct00.var_1_6 = __VERIFIER_nondet_short() [L100] EXPR WrapperStruct00.var_1_6 VAL [WrapperStruct00={4:0}, isInitial=1] [L100] CALL assume_abort_if_not(WrapperStruct00.var_1_6 >= -32767) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L100] RET assume_abort_if_not(WrapperStruct00.var_1_6 >= -32767) VAL [WrapperStruct00={4:0}, isInitial=1] [L101] EXPR WrapperStruct00.var_1_6 VAL [WrapperStruct00={4:0}, isInitial=1] [L101] CALL assume_abort_if_not(WrapperStruct00.var_1_6 <= 32766) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L101] RET assume_abort_if_not(WrapperStruct00.var_1_6 <= 32766) VAL [WrapperStruct00={4:0}, isInitial=1] [L102] WrapperStruct00.var_1_8 = __VERIFIER_nondet_float() [L103] EXPR WrapperStruct00.var_1_8 [L103] EXPR WrapperStruct00.var_1_8 >= 0.0F && WrapperStruct00.var_1_8 <= -1.0e-20F [L103] EXPR WrapperStruct00.var_1_8 [L103] EXPR WrapperStruct00.var_1_8 >= 0.0F && WrapperStruct00.var_1_8 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1] [L103] EXPR (WrapperStruct00.var_1_8 >= 0.0F && WrapperStruct00.var_1_8 <= -1.0e-20F) || (WrapperStruct00.var_1_8 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_8 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1] [L103] CALL assume_abort_if_not((WrapperStruct00.var_1_8 >= 0.0F && WrapperStruct00.var_1_8 <= -1.0e-20F) || (WrapperStruct00.var_1_8 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_8 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L103] RET assume_abort_if_not((WrapperStruct00.var_1_8 >= 0.0F && WrapperStruct00.var_1_8 <= -1.0e-20F) || (WrapperStruct00.var_1_8 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_8 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1] [L104] WrapperStruct00.var_1_9 = __VERIFIER_nondet_float() [L105] EXPR WrapperStruct00.var_1_9 [L105] EXPR WrapperStruct00.var_1_9 >= 0.0F && WrapperStruct00.var_1_9 <= -1.0e-20F [L105] EXPR WrapperStruct00.var_1_9 [L105] EXPR WrapperStruct00.var_1_9 >= 0.0F && WrapperStruct00.var_1_9 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1] [L105] EXPR (WrapperStruct00.var_1_9 >= 0.0F && WrapperStruct00.var_1_9 <= -1.0e-20F) || (WrapperStruct00.var_1_9 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_9 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1] [L105] CALL assume_abort_if_not((WrapperStruct00.var_1_9 >= 0.0F && WrapperStruct00.var_1_9 <= -1.0e-20F) || (WrapperStruct00.var_1_9 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_9 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L105] RET assume_abort_if_not((WrapperStruct00.var_1_9 >= 0.0F && WrapperStruct00.var_1_9 <= -1.0e-20F) || (WrapperStruct00.var_1_9 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_9 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1] [L106] WrapperStruct00.var_1_10 = __VERIFIER_nondet_float() [L107] EXPR WrapperStruct00.var_1_10 [L107] EXPR WrapperStruct00.var_1_10 >= 0.0F && WrapperStruct00.var_1_10 <= -1.0e-20F [L107] EXPR WrapperStruct00.var_1_10 [L107] EXPR WrapperStruct00.var_1_10 >= 0.0F && WrapperStruct00.var_1_10 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1] [L107] EXPR (WrapperStruct00.var_1_10 >= 0.0F && WrapperStruct00.var_1_10 <= -1.0e-20F) || (WrapperStruct00.var_1_10 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_10 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1] [L107] CALL assume_abort_if_not((WrapperStruct00.var_1_10 >= 0.0F && WrapperStruct00.var_1_10 <= -1.0e-20F) || (WrapperStruct00.var_1_10 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_10 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L107] RET assume_abort_if_not((WrapperStruct00.var_1_10 >= 0.0F && WrapperStruct00.var_1_10 <= -1.0e-20F) || (WrapperStruct00.var_1_10 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_10 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1] [L108] WrapperStruct00.var_1_12 = __VERIFIER_nondet_uchar() [L109] EXPR WrapperStruct00.var_1_12 VAL [WrapperStruct00={4:0}, isInitial=1] [L109] CALL assume_abort_if_not(WrapperStruct00.var_1_12 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L109] RET assume_abort_if_not(WrapperStruct00.var_1_12 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1] [L110] EXPR WrapperStruct00.var_1_12 VAL [WrapperStruct00={4:0}, isInitial=1] [L110] CALL assume_abort_if_not(WrapperStruct00.var_1_12 <= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L110] RET assume_abort_if_not(WrapperStruct00.var_1_12 <= 1) VAL [WrapperStruct00={4:0}, isInitial=1] [L111] WrapperStruct00.var_1_13 = __VERIFIER_nondet_ushort() [L112] EXPR WrapperStruct00.var_1_13 VAL [WrapperStruct00={4:0}, isInitial=1] [L112] CALL assume_abort_if_not(WrapperStruct00.var_1_13 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L112] RET assume_abort_if_not(WrapperStruct00.var_1_13 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1] [L113] EXPR WrapperStruct00.var_1_13 VAL [WrapperStruct00={4:0}, isInitial=1] [L113] CALL assume_abort_if_not(WrapperStruct00.var_1_13 <= 32767) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L113] RET assume_abort_if_not(WrapperStruct00.var_1_13 <= 32767) VAL [WrapperStruct00={4:0}, isInitial=1] [L114] WrapperStruct00.var_1_14 = __VERIFIER_nondet_ushort() [L115] EXPR WrapperStruct00.var_1_14 VAL [WrapperStruct00={4:0}, isInitial=1] [L115] CALL assume_abort_if_not(WrapperStruct00.var_1_14 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L115] RET assume_abort_if_not(WrapperStruct00.var_1_14 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1] [L116] EXPR WrapperStruct00.var_1_14 VAL [WrapperStruct00={4:0}, isInitial=1] [L116] CALL assume_abort_if_not(WrapperStruct00.var_1_14 <= 32767) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L116] RET assume_abort_if_not(WrapperStruct00.var_1_14 <= 32767) VAL [WrapperStruct00={4:0}, isInitial=1] [L117] WrapperStruct00.var_1_15 = __VERIFIER_nondet_ushort() [L118] EXPR WrapperStruct00.var_1_15 VAL [WrapperStruct00={4:0}, isInitial=1] [L118] CALL assume_abort_if_not(WrapperStruct00.var_1_15 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L118] RET assume_abort_if_not(WrapperStruct00.var_1_15 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1] [L119] EXPR WrapperStruct00.var_1_15 VAL [WrapperStruct00={4:0}, isInitial=1] [L119] CALL assume_abort_if_not(WrapperStruct00.var_1_15 <= 32767) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L119] RET assume_abort_if_not(WrapperStruct00.var_1_15 <= 32767) VAL [WrapperStruct00={4:0}, isInitial=1] [L120] WrapperStruct00.var_1_16 = __VERIFIER_nondet_ushort() [L121] EXPR WrapperStruct00.var_1_16 VAL [WrapperStruct00={4:0}, isInitial=1] [L121] CALL assume_abort_if_not(WrapperStruct00.var_1_16 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L121] RET assume_abort_if_not(WrapperStruct00.var_1_16 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1] [L122] EXPR WrapperStruct00.var_1_16 VAL [WrapperStruct00={4:0}, isInitial=1] [L122] CALL assume_abort_if_not(WrapperStruct00.var_1_16 <= 32767) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L122] RET assume_abort_if_not(WrapperStruct00.var_1_16 <= 32767) VAL [WrapperStruct00={4:0}, isInitial=1] [L123] WrapperStruct00.var_1_17 = __VERIFIER_nondet_ushort() [L124] EXPR WrapperStruct00.var_1_17 VAL [WrapperStruct00={4:0}, isInitial=1] [L124] CALL assume_abort_if_not(WrapperStruct00.var_1_17 >= 32767) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L124] RET assume_abort_if_not(WrapperStruct00.var_1_17 >= 32767) VAL [WrapperStruct00={4:0}, isInitial=1] [L125] EXPR WrapperStruct00.var_1_17 VAL [WrapperStruct00={4:0}, isInitial=1] [L125] CALL assume_abort_if_not(WrapperStruct00.var_1_17 <= 65534) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L125] RET assume_abort_if_not(WrapperStruct00.var_1_17 <= 65534) VAL [WrapperStruct00={4:0}, isInitial=1] [L138] RET updateVariables() [L139] CALL step() [L66] EXPR WrapperStruct00.var_1_2 VAL [WrapperStruct00={4:0}, isInitial=1] [L66] COND FALSE !(! WrapperStruct00.var_1_2) [L69] EXPR WrapperStruct00.var_1_5 [L69] WrapperStruct00.var_1_1 = WrapperStruct00.var_1_5 [L71] EXPR WrapperStruct00.var_1_5 [L71] signed short int stepLocal_0 = WrapperStruct00.var_1_5; [L72] COND TRUE stepLocal_0 > 2 [L73] EXPR WrapperStruct00.var_1_8 [L73] EXPR WrapperStruct00.var_1_9 [L73] EXPR WrapperStruct00.var_1_10 [L73] WrapperStruct00.var_1_7 = ((WrapperStruct00.var_1_8 + WrapperStruct00.var_1_9) - WrapperStruct00.var_1_10) [L75] EXPR WrapperStruct00.var_1_17 [L75] WrapperStruct00.var_1_18 = WrapperStruct00.var_1_17 [L76] EXPR WrapperStruct00.var_1_2 [L76] WrapperStruct00.var_1_2 && WrapperStruct00.var_1_12 [L76] EXPR WrapperStruct00.var_1_12 [L76] WrapperStruct00.var_1_2 && WrapperStruct00.var_1_12 VAL [WrapperStruct00={4:0}, isInitial=1] [L76] COND FALSE !(WrapperStruct00.var_1_2 && WrapperStruct00.var_1_12) [L79] EXPR WrapperStruct00.var_1_3 [L79] EXPR WrapperStruct00.var_1_18 VAL [WrapperStruct00={4:0}, isInitial=1] [L79] EXPR -25 << WrapperStruct00.var_1_18 VAL [WrapperStruct00={4:0}, isInitial=1] [L79] COND FALSE !(WrapperStruct00.var_1_3 < (200 * (-25 << WrapperStruct00.var_1_18))) [L82] EXPR WrapperStruct00.var_1_17 [L82] EXPR WrapperStruct00.var_1_15 [L82] WrapperStruct00.var_1_11 = (WrapperStruct00.var_1_17 - WrapperStruct00.var_1_15) [L139] RET step() [L140] CALL, EXPR property() [L130] EXPR WrapperStruct00.var_1_2 VAL [WrapperStruct00={4:0}, isInitial=1] [L130] EXPR (! WrapperStruct00.var_1_2) ? (WrapperStruct00.var_1_1 == ((signed short int) (((((WrapperStruct00.var_1_3 + (WrapperStruct00.var_1_4 + WrapperStruct00.var_1_5))) < (WrapperStruct00.var_1_6)) ? ((WrapperStruct00.var_1_3 + (WrapperStruct00.var_1_4 + WrapperStruct00.var_1_5))) : (WrapperStruct00.var_1_6))))) : (WrapperStruct00.var_1_1 == ((signed short int) WrapperStruct00.var_1_5)) [L130] EXPR WrapperStruct00.var_1_1 [L130] EXPR WrapperStruct00.var_1_5 [L130] EXPR (! WrapperStruct00.var_1_2) ? (WrapperStruct00.var_1_1 == ((signed short int) (((((WrapperStruct00.var_1_3 + (WrapperStruct00.var_1_4 + WrapperStruct00.var_1_5))) < (WrapperStruct00.var_1_6)) ? ((WrapperStruct00.var_1_3 + (WrapperStruct00.var_1_4 + WrapperStruct00.var_1_5))) : (WrapperStruct00.var_1_6))))) : (WrapperStruct00.var_1_1 == ((signed short int) WrapperStruct00.var_1_5)) VAL [WrapperStruct00={4:0}, isInitial=1] [L130] EXPR ((! WrapperStruct00.var_1_2) ? (WrapperStruct00.var_1_1 == ((signed short int) (((((WrapperStruct00.var_1_3 + (WrapperStruct00.var_1_4 + WrapperStruct00.var_1_5))) < (WrapperStruct00.var_1_6)) ? ((WrapperStruct00.var_1_3 + (WrapperStruct00.var_1_4 + WrapperStruct00.var_1_5))) : (WrapperStruct00.var_1_6))))) : (WrapperStruct00.var_1_1 == ((signed short int) WrapperStruct00.var_1_5))) && ((WrapperStruct00.var_1_5 > 2) ? (WrapperStruct00.var_1_7 == ((float) ((WrapperStruct00.var_1_8 + WrapperStruct00.var_1_9) - WrapperStruct00.var_1_10))) : 1) [L130] EXPR WrapperStruct00.var_1_5 VAL [WrapperStruct00={4:0}, isInitial=1] [L130] EXPR (WrapperStruct00.var_1_5 > 2) ? (WrapperStruct00.var_1_7 == ((float) ((WrapperStruct00.var_1_8 + WrapperStruct00.var_1_9) - WrapperStruct00.var_1_10))) : 1 [L130] EXPR WrapperStruct00.var_1_7 [L130] EXPR WrapperStruct00.var_1_8 [L130] EXPR WrapperStruct00.var_1_9 [L130] EXPR WrapperStruct00.var_1_10 [L130] EXPR (WrapperStruct00.var_1_5 > 2) ? (WrapperStruct00.var_1_7 == ((float) ((WrapperStruct00.var_1_8 + WrapperStruct00.var_1_9) - WrapperStruct00.var_1_10))) : 1 VAL [WrapperStruct00={4:0}, isInitial=1] [L130] EXPR ((! WrapperStruct00.var_1_2) ? (WrapperStruct00.var_1_1 == ((signed short int) (((((WrapperStruct00.var_1_3 + (WrapperStruct00.var_1_4 + WrapperStruct00.var_1_5))) < (WrapperStruct00.var_1_6)) ? ((WrapperStruct00.var_1_3 + (WrapperStruct00.var_1_4 + WrapperStruct00.var_1_5))) : (WrapperStruct00.var_1_6))))) : (WrapperStruct00.var_1_1 == ((signed short int) WrapperStruct00.var_1_5))) && ((WrapperStruct00.var_1_5 > 2) ? (WrapperStruct00.var_1_7 == ((float) ((WrapperStruct00.var_1_8 + WrapperStruct00.var_1_9) - WrapperStruct00.var_1_10))) : 1) VAL [WrapperStruct00={4:0}, isInitial=1] [L130] EXPR (((! WrapperStruct00.var_1_2) ? (WrapperStruct00.var_1_1 == ((signed short int) (((((WrapperStruct00.var_1_3 + (WrapperStruct00.var_1_4 + WrapperStruct00.var_1_5))) < (WrapperStruct00.var_1_6)) ? ((WrapperStruct00.var_1_3 + (WrapperStruct00.var_1_4 + WrapperStruct00.var_1_5))) : (WrapperStruct00.var_1_6))))) : (WrapperStruct00.var_1_1 == ((signed short int) WrapperStruct00.var_1_5))) && ((WrapperStruct00.var_1_5 > 2) ? (WrapperStruct00.var_1_7 == ((float) ((WrapperStruct00.var_1_8 + WrapperStruct00.var_1_9) - WrapperStruct00.var_1_10))) : 1)) && ((WrapperStruct00.var_1_2 && WrapperStruct00.var_1_12) ? (WrapperStruct00.var_1_11 == ((unsigned short int) (WrapperStruct00.var_1_13 + ((((((((WrapperStruct00.var_1_14) > (WrapperStruct00.var_1_15)) ? (WrapperStruct00.var_1_14) : (WrapperStruct00.var_1_15)))) < (WrapperStruct00.var_1_16)) ? (((((WrapperStruct00.var_1_14) > (WrapperStruct00.var_1_15)) ? (WrapperStruct00.var_1_14) : (WrapperStruct00.var_1_15)))) : (WrapperStruct00.var_1_16)))))) : ((WrapperStruct00.var_1_3 < (200 * (-25 << WrapperStruct00.var_1_18))) ? (WrapperStruct00.var_1_11 == ((unsigned short int) ((((((((WrapperStruct00.var_1_17 - 10000)) > (((((WrapperStruct00.var_1_15) < (WrapperStruct00.var_1_14)) ? (WrapperStruct00.var_1_15) : (WrapperStruct00.var_1_14))))) ? ((WrapperStruct00.var_1_17 - 10000)) : (((((WrapperStruct00.var_1_15) < (WrapperStruct00.var_1_14)) ? (WrapperStruct00.var_1_15) : (WrapperStruct00.var_1_14)))))) < 0 ) ? -(((((WrapperStruct00.var_1_17 - 10000)) > (((((WrapperStruct00.var_1_15) < (WrapperStruct00.var_1_14)) ? (WrapperStruct00.var_1_15) : (WrapperStruct00.var_1_14))))) ? ((WrapperStruct00.var_1_17 - 10000)) : (((((WrapperStruct00.var_1_15) < (WrapperStruct00.var_1_14)) ? (WrapperStruct00.var_1_15) : (WrapperStruct00.var_1_14)))))) : (((((WrapperStruct00.var_1_17 - 10000)) > (((((WrapperStruct00.var_1_15) < (WrapperStruct00.var_1_14)) ? (WrapperStruct00.var_1_15) : (WrapperStruct00.var_1_14))))) ? ((WrapperStruct00.var_1_17 - 10000)) : (((((WrapperStruct00.var_1_15) < (WrapperStruct00.var_1_14)) ? (WrapperStruct00.var_1_15) : (WrapperStruct00.var_1_14)))))))))) : (WrapperStruct00.var_1_11 == ((unsigned short int) (WrapperStruct00.var_1_17 - WrapperStruct00.var_1_15))))) VAL [WrapperStruct00={4:0}, isInitial=1] [L130] EXPR ((((! WrapperStruct00.var_1_2) ? (WrapperStruct00.var_1_1 == ((signed short int) (((((WrapperStruct00.var_1_3 + (WrapperStruct00.var_1_4 + WrapperStruct00.var_1_5))) < (WrapperStruct00.var_1_6)) ? ((WrapperStruct00.var_1_3 + (WrapperStruct00.var_1_4 + WrapperStruct00.var_1_5))) : (WrapperStruct00.var_1_6))))) : (WrapperStruct00.var_1_1 == ((signed short int) WrapperStruct00.var_1_5))) && ((WrapperStruct00.var_1_5 > 2) ? (WrapperStruct00.var_1_7 == ((float) ((WrapperStruct00.var_1_8 + WrapperStruct00.var_1_9) - WrapperStruct00.var_1_10))) : 1)) && ((WrapperStruct00.var_1_2 && WrapperStruct00.var_1_12) ? (WrapperStruct00.var_1_11 == ((unsigned short int) (WrapperStruct00.var_1_13 + ((((((((WrapperStruct00.var_1_14) > (WrapperStruct00.var_1_15)) ? (WrapperStruct00.var_1_14) : (WrapperStruct00.var_1_15)))) < (WrapperStruct00.var_1_16)) ? (((((WrapperStruct00.var_1_14) > (WrapperStruct00.var_1_15)) ? (WrapperStruct00.var_1_14) : (WrapperStruct00.var_1_15)))) : (WrapperStruct00.var_1_16)))))) : ((WrapperStruct00.var_1_3 < (200 * (-25 << WrapperStruct00.var_1_18))) ? (WrapperStruct00.var_1_11 == ((unsigned short int) ((((((((WrapperStruct00.var_1_17 - 10000)) > (((((WrapperStruct00.var_1_15) < (WrapperStruct00.var_1_14)) ? (WrapperStruct00.var_1_15) : (WrapperStruct00.var_1_14))))) ? ((WrapperStruct00.var_1_17 - 10000)) : (((((WrapperStruct00.var_1_15) < (WrapperStruct00.var_1_14)) ? (WrapperStruct00.var_1_15) : (WrapperStruct00.var_1_14)))))) < 0 ) ? -(((((WrapperStruct00.var_1_17 - 10000)) > (((((WrapperStruct00.var_1_15) < (WrapperStruct00.var_1_14)) ? (WrapperStruct00.var_1_15) : (WrapperStruct00.var_1_14))))) ? ((WrapperStruct00.var_1_17 - 10000)) : (((((WrapperStruct00.var_1_15) < (WrapperStruct00.var_1_14)) ? (WrapperStruct00.var_1_15) : (WrapperStruct00.var_1_14)))))) : (((((WrapperStruct00.var_1_17 - 10000)) > (((((WrapperStruct00.var_1_15) < (WrapperStruct00.var_1_14)) ? (WrapperStruct00.var_1_15) : (WrapperStruct00.var_1_14))))) ? ((WrapperStruct00.var_1_17 - 10000)) : (((((WrapperStruct00.var_1_15) < (WrapperStruct00.var_1_14)) ? (WrapperStruct00.var_1_15) : (WrapperStruct00.var_1_14)))))))))) : (WrapperStruct00.var_1_11 == ((unsigned short int) (WrapperStruct00.var_1_17 - WrapperStruct00.var_1_15)))))) && (WrapperStruct00.var_1_18 == ((unsigned long int) WrapperStruct00.var_1_17)) VAL [WrapperStruct00={4:0}, isInitial=1] [L130-L131] return ((((! WrapperStruct00.var_1_2) ? (WrapperStruct00.var_1_1 == ((signed short int) (((((WrapperStruct00.var_1_3 + (WrapperStruct00.var_1_4 + WrapperStruct00.var_1_5))) < (WrapperStruct00.var_1_6)) ? ((WrapperStruct00.var_1_3 + (WrapperStruct00.var_1_4 + WrapperStruct00.var_1_5))) : (WrapperStruct00.var_1_6))))) : (WrapperStruct00.var_1_1 == ((signed short int) WrapperStruct00.var_1_5))) && ((WrapperStruct00.var_1_5 > 2) ? (WrapperStruct00.var_1_7 == ((float) ((WrapperStruct00.var_1_8 + WrapperStruct00.var_1_9) - WrapperStruct00.var_1_10))) : 1)) && ((WrapperStruct00.var_1_2 && WrapperStruct00.var_1_12) ? (WrapperStruct00.var_1_11 == ((unsigned short int) (WrapperStruct00.var_1_13 + ((((((((WrapperStruct00.var_1_14) > (WrapperStruct00.var_1_15)) ? (WrapperStruct00.var_1_14) : (WrapperStruct00.var_1_15)))) < (WrapperStruct00.var_1_16)) ? (((((WrapperStruct00.var_1_14) > (WrapperStruct00.var_1_15)) ? (WrapperStruct00.var_1_14) : (WrapperStruct00.var_1_15)))) : (WrapperStruct00.var_1_16)))))) : ((WrapperStruct00.var_1_3 < (200 * (-25 << WrapperStruct00.var_1_18))) ? (WrapperStruct00.var_1_11 == ((unsigned short int) ((((((((WrapperStruct00.var_1_17 - 10000)) > (((((WrapperStruct00.var_1_15) < (WrapperStruct00.var_1_14)) ? (WrapperStruct00.var_1_15) : (WrapperStruct00.var_1_14))))) ? ((WrapperStruct00.var_1_17 - 10000)) : (((((WrapperStruct00.var_1_15) < (WrapperStruct00.var_1_14)) ? (WrapperStruct00.var_1_15) : (WrapperStruct00.var_1_14)))))) < 0 ) ? -(((((WrapperStruct00.var_1_17 - 10000)) > (((((WrapperStruct00.var_1_15) < (WrapperStruct00.var_1_14)) ? (WrapperStruct00.var_1_15) : (WrapperStruct00.var_1_14))))) ? ((WrapperStruct00.var_1_17 - 10000)) : (((((WrapperStruct00.var_1_15) < (WrapperStruct00.var_1_14)) ? (WrapperStruct00.var_1_15) : (WrapperStruct00.var_1_14)))))) : (((((WrapperStruct00.var_1_17 - 10000)) > (((((WrapperStruct00.var_1_15) < (WrapperStruct00.var_1_14)) ? (WrapperStruct00.var_1_15) : (WrapperStruct00.var_1_14))))) ? ((WrapperStruct00.var_1_17 - 10000)) : (((((WrapperStruct00.var_1_15) < (WrapperStruct00.var_1_14)) ? (WrapperStruct00.var_1_15) : (WrapperStruct00.var_1_14)))))))))) : (WrapperStruct00.var_1_11 == ((unsigned short int) (WrapperStruct00.var_1_17 - WrapperStruct00.var_1_15)))))) && (WrapperStruct00.var_1_18 == ((unsigned long int) WrapperStruct00.var_1_17)) ; [L140] RET, EXPR property() [L140] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [WrapperStruct00={4:0}, isInitial=1] [L19] reach_error() VAL [WrapperStruct00={4:0}, isInitial=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 159 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 11.9s, OverallIterations: 7, TraceHistogramMax: 25, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1543 SdHoareTripleChecker+Valid, 2.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1535 mSDsluCounter, 3757 SdHoareTripleChecker+Invalid, 2.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2477 mSDsCounter, 401 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3128 IncrementalHoareTripleChecker+Invalid, 3529 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 401 mSolverCounterUnsat, 1280 mSDtfsCounter, 3128 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 661 GetRequests, 604 SyntacticMatches, 1 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 331 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=253occurred in iteration=3, InterpolantAutomatonStates: 52, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 102 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 5.8s InterpolantComputationTime, 1676 NumberOfCodeBlocks, 1676 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1666 ConstructedInterpolants, 0 QuantifiedInterpolants, 2589 SizeOfPredicates, 4 NumberOfNonLiveVariables, 1297 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 9 InterpolantComputations, 5 PerfectInterpolantSequences, 10743/10800 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-22 13:11:55,578 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-86.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2633f484e0865e6e431657ee89a0a14b8fb20a20b6a1493f613e45a885039ef4 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 13:11:57,704 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 13:11:57,762 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-22 13:11:57,768 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 13:11:57,770 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 13:11:57,789 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 13:11:57,789 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 13:11:57,791 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 13:11:57,792 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 13:11:57,792 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 13:11:57,792 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 13:11:57,792 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 13:11:57,793 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 13:11:57,793 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 13:11:57,793 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 13:11:57,793 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 13:11:57,794 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 13:11:57,794 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-22 13:11:57,794 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-22 13:11:57,794 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 13:11:57,794 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 13:11:57,797 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 13:11:57,797 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 13:11:57,797 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-22 13:11:57,797 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-22 13:11:57,797 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 13:11:57,797 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-22 13:11:57,798 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-22 13:11:57,798 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 13:11:57,798 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 13:11:57,798 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 13:11:57,798 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 13:11:57,798 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 13:11:57,798 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 13:11:57,799 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 13:11:57,799 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 13:11:57,799 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 13:11:57,799 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 13:11:57,799 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-22 13:11:57,799 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-22 13:11:57,799 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 13:11:57,801 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 13:11:57,801 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 13:11:57,801 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 13:11:57,802 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2633f484e0865e6e431657ee89a0a14b8fb20a20b6a1493f613e45a885039ef4 [2024-11-22 13:11:58,071 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 13:11:58,091 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 13:11:58,094 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 13:11:58,095 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 13:11:58,095 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 13:11:58,096 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-86.i [2024-11-22 13:11:59,502 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 13:11:59,690 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 13:11:59,691 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-86.i [2024-11-22 13:11:59,705 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b5f29f61/ffce0b7b65584d718441631d814759b1/FLAG9386d9085 [2024-11-22 13:12:00,075 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b5f29f61/ffce0b7b65584d718441631d814759b1 [2024-11-22 13:12:00,077 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 13:12:00,081 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 13:12:00,082 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 13:12:00,082 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 13:12:00,086 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 13:12:00,087 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:12:00" (1/1) ... [2024-11-22 13:12:00,091 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3be829a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:12:00, skipping insertion in model container [2024-11-22 13:12:00,091 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:12:00" (1/1) ... [2024-11-22 13:12:00,113 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 13:12:00,272 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-86.i[916,929] [2024-11-22 13:12:00,348 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 13:12:00,360 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 13:12:00,369 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-86.i[916,929] [2024-11-22 13:12:00,426 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 13:12:00,448 INFO L204 MainTranslator]: Completed translation [2024-11-22 13:12:00,448 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:12:00 WrapperNode [2024-11-22 13:12:00,448 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 13:12:00,449 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 13:12:00,449 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 13:12:00,449 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 13:12:00,454 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:12:00" (1/1) ... [2024-11-22 13:12:00,479 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:12:00" (1/1) ... [2024-11-22 13:12:00,524 INFO L138 Inliner]: procedures = 37, calls = 243, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 745 [2024-11-22 13:12:00,524 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 13:12:00,525 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 13:12:00,526 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 13:12:00,526 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 13:12:00,537 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:12:00" (1/1) ... [2024-11-22 13:12:00,537 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:12:00" (1/1) ... [2024-11-22 13:12:00,549 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:12:00" (1/1) ... [2024-11-22 13:12:00,589 INFO L175 MemorySlicer]: Split 207 memory accesses to 2 slices as follows [2, 205]. 99 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 40 writes are split as follows [0, 40]. [2024-11-22 13:12:00,593 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:12:00" (1/1) ... [2024-11-22 13:12:00,594 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:12:00" (1/1) ... [2024-11-22 13:12:00,624 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:12:00" (1/1) ... [2024-11-22 13:12:00,634 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:12:00" (1/1) ... [2024-11-22 13:12:00,641 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:12:00" (1/1) ... [2024-11-22 13:12:00,646 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:12:00" (1/1) ... [2024-11-22 13:12:00,655 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 13:12:00,660 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 13:12:00,660 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 13:12:00,660 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 13:12:00,661 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:12:00" (1/1) ... [2024-11-22 13:12:00,665 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 13:12:00,674 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 13:12:00,689 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-22 13:12:00,695 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-22 13:12:00,736 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 13:12:00,737 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-22 13:12:00,737 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-22 13:12:00,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-22 13:12:00,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-22 13:12:00,738 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2024-11-22 13:12:00,738 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2024-11-22 13:12:00,738 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-22 13:12:00,738 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-22 13:12:00,738 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#0 [2024-11-22 13:12:00,739 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#1 [2024-11-22 13:12:00,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2024-11-22 13:12:00,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2024-11-22 13:12:00,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2024-11-22 13:12:00,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2024-11-22 13:12:00,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#0 [2024-11-22 13:12:00,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#1 [2024-11-22 13:12:00,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#0 [2024-11-22 13:12:00,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#1 [2024-11-22 13:12:00,740 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-22 13:12:00,741 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-22 13:12:00,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#0 [2024-11-22 13:12:00,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#1 [2024-11-22 13:12:00,741 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 13:12:00,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 13:12:00,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-22 13:12:00,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-22 13:12:00,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#0 [2024-11-22 13:12:00,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#1 [2024-11-22 13:12:00,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-22 13:12:00,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-22 13:12:00,862 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 13:12:00,864 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 13:12:02,067 INFO L? ?]: Removed 247 outVars from TransFormulas that were not future-live. [2024-11-22 13:12:02,068 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 13:12:02,079 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 13:12:02,079 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-22 13:12:02,079 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:12:02 BoogieIcfgContainer [2024-11-22 13:12:02,080 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 13:12:02,081 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 13:12:02,081 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 13:12:02,083 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 13:12:02,084 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:12:00" (1/3) ... [2024-11-22 13:12:02,084 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4967c33e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:12:02, skipping insertion in model container [2024-11-22 13:12:02,084 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:12:00" (2/3) ... [2024-11-22 13:12:02,084 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4967c33e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:12:02, skipping insertion in model container [2024-11-22 13:12:02,084 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:12:02" (3/3) ... [2024-11-22 13:12:02,085 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-86.i [2024-11-22 13:12:02,097 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 13:12:02,098 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-22 13:12:02,140 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 13:12:02,144 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@11123bcc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 13:12:02,145 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-22 13:12:02,148 INFO L276 IsEmpty]: Start isEmpty. Operand has 155 states, 127 states have (on average 1.4330708661417322) internal successors, (182), 128 states have internal predecessors, (182), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-22 13:12:02,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-11-22 13:12:02,159 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 13:12:02,160 INFO L215 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 13:12:02,160 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 13:12:02,164 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 13:12:02,164 INFO L85 PathProgramCache]: Analyzing trace with hash -296626110, now seen corresponding path program 1 times [2024-11-22 13:12:02,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-22 13:12:02,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1012822492] [2024-11-22 13:12:02,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 13:12:02,175 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 13:12:02,175 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-22 13:12:02,180 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-22 13:12:02,182 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-22 13:12:02,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 13:12:02,521 INFO L255 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-22 13:12:02,529 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 13:12:02,561 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 608 proven. 0 refuted. 0 times theorem prover too weak. 592 trivial. 0 not checked. [2024-11-22 13:12:02,561 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 13:12:02,562 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-22 13:12:02,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1012822492] [2024-11-22 13:12:02,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1012822492] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 13:12:02,563 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 13:12:02,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 13:12:02,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900592794] [2024-11-22 13:12:02,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 13:12:02,568 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-22 13:12:02,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-22 13:12:02,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-22 13:12:02,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-22 13:12:02,586 INFO L87 Difference]: Start difference. First operand has 155 states, 127 states have (on average 1.4330708661417322) internal successors, (182), 128 states have internal predecessors, (182), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) Second operand has 2 states, 2 states have (on average 33.0) internal successors, (66), 2 states have internal predecessors, (66), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-22 13:12:02,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 13:12:02,611 INFO L93 Difference]: Finished difference Result 303 states and 483 transitions. [2024-11-22 13:12:02,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-22 13:12:02,613 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 33.0) internal successors, (66), 2 states have internal predecessors, (66), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 184 [2024-11-22 13:12:02,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 13:12:02,618 INFO L225 Difference]: With dead ends: 303 [2024-11-22 13:12:02,619 INFO L226 Difference]: Without dead ends: 151 [2024-11-22 13:12:02,625 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-22 13:12:02,627 INFO L432 NwaCegarLoop]: 225 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 225 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 13:12:02,628 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 225 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 13:12:02,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2024-11-22 13:12:02,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 151. [2024-11-22 13:12:02,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 124 states have (on average 1.4112903225806452) internal successors, (175), 124 states have internal predecessors, (175), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-22 13:12:02,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 225 transitions. [2024-11-22 13:12:02,679 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 225 transitions. Word has length 184 [2024-11-22 13:12:02,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 13:12:02,679 INFO L471 AbstractCegarLoop]: Abstraction has 151 states and 225 transitions. [2024-11-22 13:12:02,680 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 33.0) internal successors, (66), 2 states have internal predecessors, (66), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-22 13:12:02,680 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 225 transitions. [2024-11-22 13:12:02,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-11-22 13:12:02,683 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 13:12:02,683 INFO L215 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 13:12:02,694 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-22 13:12:02,887 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 13:12:02,888 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 13:12:02,889 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 13:12:02,889 INFO L85 PathProgramCache]: Analyzing trace with hash 2087867836, now seen corresponding path program 1 times [2024-11-22 13:12:02,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-22 13:12:02,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1685463479] [2024-11-22 13:12:02,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 13:12:02,891 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 13:12:02,891 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-22 13:12:02,894 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-22 13:12:02,897 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-22 13:12:03,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 13:12:03,199 INFO L255 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-22 13:12:03,204 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 13:12:03,242 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 600 proven. 0 refuted. 0 times theorem prover too weak. 600 trivial. 0 not checked. [2024-11-22 13:12:03,242 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 13:12:03,243 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-22 13:12:03,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1685463479] [2024-11-22 13:12:03,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1685463479] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 13:12:03,270 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 13:12:03,270 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 13:12:03,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537850214] [2024-11-22 13:12:03,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 13:12:03,272 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 13:12:03,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-22 13:12:03,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 13:12:03,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 13:12:03,274 INFO L87 Difference]: Start difference. First operand 151 states and 225 transitions. Second operand has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-22 13:12:03,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 13:12:03,308 INFO L93 Difference]: Finished difference Result 301 states and 450 transitions. [2024-11-22 13:12:03,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 13:12:03,309 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 184 [2024-11-22 13:12:03,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 13:12:03,310 INFO L225 Difference]: With dead ends: 301 [2024-11-22 13:12:03,310 INFO L226 Difference]: Without dead ends: 153 [2024-11-22 13:12:03,311 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 13:12:03,312 INFO L432 NwaCegarLoop]: 223 mSDtfsCounter, 0 mSDsluCounter, 435 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 658 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 13:12:03,312 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 658 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 13:12:03,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2024-11-22 13:12:03,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 153. [2024-11-22 13:12:03,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 126 states have (on average 1.4047619047619047) internal successors, (177), 126 states have internal predecessors, (177), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-22 13:12:03,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 227 transitions. [2024-11-22 13:12:03,321 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 227 transitions. Word has length 184 [2024-11-22 13:12:03,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 13:12:03,322 INFO L471 AbstractCegarLoop]: Abstraction has 153 states and 227 transitions. [2024-11-22 13:12:03,323 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-22 13:12:03,323 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 227 transitions. [2024-11-22 13:12:03,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-11-22 13:12:03,325 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 13:12:03,325 INFO L215 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 13:12:03,335 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2024-11-22 13:12:03,525 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 13:12:03,525 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 13:12:03,526 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 13:12:03,526 INFO L85 PathProgramCache]: Analyzing trace with hash -924927174, now seen corresponding path program 1 times [2024-11-22 13:12:03,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-22 13:12:03,527 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1521832806] [2024-11-22 13:12:03,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 13:12:03,527 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 13:12:03,527 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-22 13:12:03,530 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-22 13:12:03,531 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-22 13:12:03,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 13:12:03,825 INFO L255 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-22 13:12:03,829 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 13:12:03,937 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-11-22 13:12:03,937 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 13:12:03,937 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-22 13:12:03,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1521832806] [2024-11-22 13:12:03,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1521832806] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 13:12:03,938 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 13:12:03,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 13:12:03,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503512824] [2024-11-22 13:12:03,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 13:12:03,939 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 13:12:03,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-22 13:12:03,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 13:12:03,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 13:12:03,945 INFO L87 Difference]: Start difference. First operand 153 states and 227 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-22 13:12:03,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 13:12:03,983 INFO L93 Difference]: Finished difference Result 308 states and 458 transitions. [2024-11-22 13:12:03,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 13:12:03,983 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 184 [2024-11-22 13:12:03,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 13:12:03,985 INFO L225 Difference]: With dead ends: 308 [2024-11-22 13:12:03,985 INFO L226 Difference]: Without dead ends: 158 [2024-11-22 13:12:03,986 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 180 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 13:12:03,987 INFO L432 NwaCegarLoop]: 220 mSDtfsCounter, 1 mSDsluCounter, 647 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 867 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 13:12:03,987 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 867 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 13:12:03,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2024-11-22 13:12:03,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 157. [2024-11-22 13:12:03,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 130 states have (on average 1.3923076923076922) internal successors, (181), 130 states have internal predecessors, (181), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-22 13:12:03,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 231 transitions. [2024-11-22 13:12:03,995 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 231 transitions. Word has length 184 [2024-11-22 13:12:03,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 13:12:03,996 INFO L471 AbstractCegarLoop]: Abstraction has 157 states and 231 transitions. [2024-11-22 13:12:03,996 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-22 13:12:03,996 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 231 transitions. [2024-11-22 13:12:03,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-11-22 13:12:03,998 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 13:12:03,999 INFO L215 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 13:12:04,009 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-11-22 13:12:04,199 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 13:12:04,200 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 13:12:04,200 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 13:12:04,200 INFO L85 PathProgramCache]: Analyzing trace with hash -923080132, now seen corresponding path program 1 times [2024-11-22 13:12:04,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-22 13:12:04,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1998062564] [2024-11-22 13:12:04,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 13:12:04,202 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 13:12:04,202 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-22 13:12:04,204 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-22 13:12:04,205 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-22 13:12:04,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 13:12:04,497 INFO L255 TraceCheckSpWp]: Trace formula consists of 358 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-22 13:12:04,502 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 13:12:04,640 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 41 [2024-11-22 13:12:04,661 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 600 proven. 0 refuted. 0 times theorem prover too weak. 600 trivial. 0 not checked. [2024-11-22 13:12:04,661 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 13:12:04,661 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-22 13:12:04,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1998062564] [2024-11-22 13:12:04,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1998062564] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 13:12:04,661 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 13:12:04,662 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 13:12:04,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628130680] [2024-11-22 13:12:04,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 13:12:04,662 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 13:12:04,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-22 13:12:04,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 13:12:04,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-22 13:12:04,663 INFO L87 Difference]: Start difference. First operand 157 states and 231 transitions. Second operand has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 5 states have internal predecessors, (65), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-22 13:12:05,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 13:12:05,863 INFO L93 Difference]: Finished difference Result 311 states and 459 transitions. [2024-11-22 13:12:05,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-22 13:12:05,864 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 5 states have internal predecessors, (65), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 184 [2024-11-22 13:12:05,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 13:12:05,865 INFO L225 Difference]: With dead ends: 311 [2024-11-22 13:12:05,865 INFO L226 Difference]: Without dead ends: 157 [2024-11-22 13:12:05,866 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-22 13:12:05,867 INFO L432 NwaCegarLoop]: 211 mSDtfsCounter, 188 mSDsluCounter, 467 mSDsCounter, 0 mSdLazyCounter, 213 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 188 SdHoareTripleChecker+Valid, 678 SdHoareTripleChecker+Invalid, 214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 213 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-22 13:12:05,867 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [188 Valid, 678 Invalid, 214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 213 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-22 13:12:05,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2024-11-22 13:12:05,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 155. [2024-11-22 13:12:05,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 128 states have (on average 1.390625) internal successors, (178), 128 states have internal predecessors, (178), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-22 13:12:05,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 228 transitions. [2024-11-22 13:12:05,874 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 228 transitions. Word has length 184 [2024-11-22 13:12:05,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 13:12:05,875 INFO L471 AbstractCegarLoop]: Abstraction has 155 states and 228 transitions. [2024-11-22 13:12:05,875 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 5 states have internal predecessors, (65), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-22 13:12:05,875 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 228 transitions. [2024-11-22 13:12:05,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-11-22 13:12:05,876 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 13:12:05,877 INFO L215 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 13:12:05,887 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2024-11-22 13:12:06,077 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 13:12:06,078 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 13:12:06,078 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 13:12:06,078 INFO L85 PathProgramCache]: Analyzing trace with hash -1296817660, now seen corresponding path program 1 times [2024-11-22 13:12:06,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-22 13:12:06,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1227187990] [2024-11-22 13:12:06,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 13:12:06,079 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 13:12:06,080 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-22 13:12:06,085 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-22 13:12:06,086 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-11-22 13:12:06,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 13:12:06,368 INFO L255 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-22 13:12:06,372 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 13:12:06,505 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 40 [2024-11-22 13:12:06,545 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 616 proven. 40 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-22 13:12:06,546 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 13:12:06,689 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 22 [2024-11-22 13:12:06,719 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 30 proven. 42 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2024-11-22 13:12:06,720 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-22 13:12:06,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1227187990] [2024-11-22 13:12:06,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1227187990] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 13:12:06,720 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-22 13:12:06,720 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 12 [2024-11-22 13:12:06,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431812849] [2024-11-22 13:12:06,721 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-22 13:12:06,721 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-22 13:12:06,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-22 13:12:06,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-22 13:12:06,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-11-22 13:12:06,722 INFO L87 Difference]: Start difference. First operand 155 states and 228 transitions. Second operand has 12 states, 11 states have (on average 8.545454545454545) internal successors, (94), 12 states have internal predecessors, (94), 4 states have call successors, (49), 3 states have call predecessors, (49), 4 states have return successors, (49), 3 states have call predecessors, (49), 4 states have call successors, (49) [2024-11-22 13:12:08,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 13:12:08,215 INFO L93 Difference]: Finished difference Result 320 states and 468 transitions. [2024-11-22 13:12:08,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-22 13:12:08,219 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 8.545454545454545) internal successors, (94), 12 states have internal predecessors, (94), 4 states have call successors, (49), 3 states have call predecessors, (49), 4 states have return successors, (49), 3 states have call predecessors, (49), 4 states have call successors, (49) Word has length 186 [2024-11-22 13:12:08,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 13:12:08,220 INFO L225 Difference]: With dead ends: 320 [2024-11-22 13:12:08,220 INFO L226 Difference]: Without dead ends: 157 [2024-11-22 13:12:08,221 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 381 GetRequests, 361 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=96, Invalid=366, Unknown=0, NotChecked=0, Total=462 [2024-11-22 13:12:08,222 INFO L432 NwaCegarLoop]: 185 mSDtfsCounter, 184 mSDsluCounter, 628 mSDsCounter, 0 mSdLazyCounter, 552 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 199 SdHoareTripleChecker+Valid, 813 SdHoareTripleChecker+Invalid, 569 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 552 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-22 13:12:08,222 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [199 Valid, 813 Invalid, 569 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 552 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-22 13:12:08,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2024-11-22 13:12:08,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 155. [2024-11-22 13:12:08,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 128 states have (on average 1.375) internal successors, (176), 128 states have internal predecessors, (176), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-22 13:12:08,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 226 transitions. [2024-11-22 13:12:08,229 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 226 transitions. Word has length 186 [2024-11-22 13:12:08,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 13:12:08,229 INFO L471 AbstractCegarLoop]: Abstraction has 155 states and 226 transitions. [2024-11-22 13:12:08,229 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 8.545454545454545) internal successors, (94), 12 states have internal predecessors, (94), 4 states have call successors, (49), 3 states have call predecessors, (49), 4 states have return successors, (49), 3 states have call predecessors, (49), 4 states have call successors, (49) [2024-11-22 13:12:08,229 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 226 transitions. [2024-11-22 13:12:08,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-11-22 13:12:08,230 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 13:12:08,230 INFO L215 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 13:12:08,241 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2024-11-22 13:12:08,431 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 13:12:08,432 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 13:12:08,432 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 13:12:08,432 INFO L85 PathProgramCache]: Analyzing trace with hash -1784864766, now seen corresponding path program 1 times [2024-11-22 13:12:08,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-22 13:12:08,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [214097619] [2024-11-22 13:12:08,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 13:12:08,433 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 13:12:08,433 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-22 13:12:08,435 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-22 13:12:08,436 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2024-11-22 13:12:08,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 13:12:08,755 INFO L255 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-22 13:12:08,763 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 13:12:08,893 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 41 [2024-11-22 13:12:08,917 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 616 proven. 0 refuted. 0 times theorem prover too weak. 584 trivial. 0 not checked. [2024-11-22 13:12:08,918 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 13:12:08,918 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-22 13:12:08,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [214097619] [2024-11-22 13:12:08,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [214097619] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 13:12:08,918 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 13:12:08,918 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 13:12:08,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [894020575] [2024-11-22 13:12:08,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 13:12:08,919 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 13:12:08,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-22 13:12:08,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 13:12:08,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-22 13:12:08,920 INFO L87 Difference]: Start difference. First operand 155 states and 226 transitions. Second operand has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 5 states have internal predecessors, (67), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-22 13:12:10,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 13:12:10,194 INFO L93 Difference]: Finished difference Result 308 states and 450 transitions. [2024-11-22 13:12:10,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-22 13:12:10,195 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 5 states have internal predecessors, (67), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 186 [2024-11-22 13:12:10,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 13:12:10,197 INFO L225 Difference]: With dead ends: 308 [2024-11-22 13:12:10,198 INFO L226 Difference]: Without dead ends: 156 [2024-11-22 13:12:10,200 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-22 13:12:10,200 INFO L432 NwaCegarLoop]: 208 mSDtfsCounter, 175 mSDsluCounter, 458 mSDsCounter, 0 mSdLazyCounter, 216 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 666 SdHoareTripleChecker+Invalid, 217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 216 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-22 13:12:10,201 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 666 Invalid, 217 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 216 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-22 13:12:10,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2024-11-22 13:12:10,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 155. [2024-11-22 13:12:10,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 128 states have (on average 1.3671875) internal successors, (175), 128 states have internal predecessors, (175), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-22 13:12:10,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 225 transitions. [2024-11-22 13:12:10,217 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 225 transitions. Word has length 186 [2024-11-22 13:12:10,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 13:12:10,218 INFO L471 AbstractCegarLoop]: Abstraction has 155 states and 225 transitions. [2024-11-22 13:12:10,218 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 5 states have internal predecessors, (67), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-22 13:12:10,218 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 225 transitions. [2024-11-22 13:12:10,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2024-11-22 13:12:10,219 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 13:12:10,219 INFO L215 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 13:12:10,242 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2024-11-22 13:12:10,430 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 13:12:10,431 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 13:12:10,431 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 13:12:10,431 INFO L85 PathProgramCache]: Analyzing trace with hash 811330044, now seen corresponding path program 1 times [2024-11-22 13:12:10,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-22 13:12:10,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1448007017] [2024-11-22 13:12:10,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 13:12:10,433 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 13:12:10,433 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-22 13:12:10,436 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-22 13:12:10,437 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2024-11-22 13:12:10,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 13:12:10,763 INFO L255 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-22 13:12:10,767 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 13:12:10,917 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 41 [2024-11-22 13:12:10,938 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 624 proven. 0 refuted. 0 times theorem prover too weak. 576 trivial. 0 not checked. [2024-11-22 13:12:10,938 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 13:12:10,938 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-22 13:12:10,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1448007017] [2024-11-22 13:12:10,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1448007017] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 13:12:10,938 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 13:12:10,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 13:12:10,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1603890541] [2024-11-22 13:12:10,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 13:12:10,939 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 13:12:10,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-22 13:12:10,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 13:12:10,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-22 13:12:10,940 INFO L87 Difference]: Start difference. First operand 155 states and 225 transitions. Second operand has 6 states, 6 states have (on average 11.5) internal successors, (69), 5 states have internal predecessors, (69), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-22 13:12:12,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 13:12:12,004 INFO L93 Difference]: Finished difference Result 308 states and 448 transitions. [2024-11-22 13:12:12,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-22 13:12:12,005 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 5 states have internal predecessors, (69), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 188 [2024-11-22 13:12:12,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 13:12:12,006 INFO L225 Difference]: With dead ends: 308 [2024-11-22 13:12:12,006 INFO L226 Difference]: Without dead ends: 156 [2024-11-22 13:12:12,006 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 190 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-22 13:12:12,007 INFO L432 NwaCegarLoop]: 207 mSDtfsCounter, 167 mSDsluCounter, 455 mSDsCounter, 0 mSdLazyCounter, 216 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 662 SdHoareTripleChecker+Invalid, 217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 216 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-22 13:12:12,007 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [167 Valid, 662 Invalid, 217 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 216 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-22 13:12:12,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2024-11-22 13:12:12,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 155. [2024-11-22 13:12:12,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 128 states have (on average 1.359375) internal successors, (174), 128 states have internal predecessors, (174), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-22 13:12:12,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 224 transitions. [2024-11-22 13:12:12,012 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 224 transitions. Word has length 188 [2024-11-22 13:12:12,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 13:12:12,013 INFO L471 AbstractCegarLoop]: Abstraction has 155 states and 224 transitions. [2024-11-22 13:12:12,013 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 5 states have internal predecessors, (69), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-22 13:12:12,013 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 224 transitions. [2024-11-22 13:12:12,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-22 13:12:12,014 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 13:12:12,014 INFO L215 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 13:12:12,024 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Ended with exit code 0 [2024-11-22 13:12:12,218 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 13:12:12,219 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 13:12:12,219 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 13:12:12,220 INFO L85 PathProgramCache]: Analyzing trace with hash 996962754, now seen corresponding path program 1 times [2024-11-22 13:12:12,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-22 13:12:12,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [803018767] [2024-11-22 13:12:12,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 13:12:12,220 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 13:12:12,220 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-22 13:12:12,222 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-22 13:12:12,225 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2024-11-22 13:12:12,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 13:12:12,701 INFO L255 TraceCheckSpWp]: Trace formula consists of 376 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-22 13:12:12,707 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 13:12:12,716 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2024-11-22 13:12:12,870 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 19 [2024-11-22 13:12:12,974 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 19 [2024-11-22 13:12:13,050 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 29 [2024-11-22 13:12:13,204 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-22 13:12:13,204 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 42 [2024-11-22 13:12:13,427 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-22 13:12:13,427 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 40 [2024-11-22 13:12:13,548 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-22 13:12:13,549 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 40 [2024-11-22 13:12:13,664 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-22 13:12:13,664 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 40 [2024-11-22 13:12:13,785 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-22 13:12:13,785 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 45 treesize of output 50 [2024-11-22 13:12:13,998 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-22 13:12:13,999 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 55 treesize of output 63 [2024-11-22 13:12:14,229 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-22 13:12:14,229 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 70 treesize of output 66 [2024-11-22 13:12:14,423 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-22 13:12:14,423 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 65 treesize of output 76 [2024-11-22 13:12:14,721 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-22 13:12:14,721 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 80 treesize of output 79 [2024-11-22 13:12:14,935 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-22 13:12:14,936 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 75 treesize of output 89 [2024-11-22 13:12:15,391 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-22 13:12:15,391 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 101 treesize of output 106 [2024-11-22 13:12:15,560 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-22 13:12:15,560 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 105 treesize of output 104 [2024-11-22 13:12:15,622 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-22 13:12:15,623 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 113 treesize of output 49 [2024-11-22 13:12:15,666 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 1006 proven. 69 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2024-11-22 13:12:15,666 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 13:12:15,972 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-11-22 13:12:15,972 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-22 13:12:15,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [803018767] [2024-11-22 13:12:15,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [803018767] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-22 13:12:15,972 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 13:12:15,972 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [16] total 18 [2024-11-22 13:12:15,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [524102617] [2024-11-22 13:12:15,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 13:12:15,973 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 13:12:15,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-22 13:12:15,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 13:12:15,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2024-11-22 13:12:15,974 INFO L87 Difference]: Start difference. First operand 155 states and 224 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-22 13:12:17,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 13:12:17,676 INFO L93 Difference]: Finished difference Result 386 states and 563 transitions. [2024-11-22 13:12:17,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 13:12:17,677 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 190 [2024-11-22 13:12:17,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 13:12:17,678 INFO L225 Difference]: With dead ends: 386 [2024-11-22 13:12:17,678 INFO L226 Difference]: Without dead ends: 234 [2024-11-22 13:12:17,679 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 379 GetRequests, 361 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=89, Invalid=253, Unknown=0, NotChecked=0, Total=342 [2024-11-22 13:12:17,679 INFO L432 NwaCegarLoop]: 141 mSDtfsCounter, 212 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 283 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 212 SdHoareTripleChecker+Valid, 381 SdHoareTripleChecker+Invalid, 291 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 283 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-22 13:12:17,679 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [212 Valid, 381 Invalid, 291 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 283 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-22 13:12:17,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2024-11-22 13:12:17,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 159. [2024-11-22 13:12:17,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 132 states have (on average 1.356060606060606) internal successors, (179), 132 states have internal predecessors, (179), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-22 13:12:17,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 229 transitions. [2024-11-22 13:12:17,685 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 229 transitions. Word has length 190 [2024-11-22 13:12:17,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 13:12:17,685 INFO L471 AbstractCegarLoop]: Abstraction has 159 states and 229 transitions. [2024-11-22 13:12:17,685 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-22 13:12:17,685 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 229 transitions. [2024-11-22 13:12:17,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-22 13:12:17,687 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 13:12:17,687 INFO L215 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 13:12:17,698 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Ended with exit code 0 [2024-11-22 13:12:17,887 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 13:12:17,887 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 13:12:17,888 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 13:12:17,888 INFO L85 PathProgramCache]: Analyzing trace with hash -2018140864, now seen corresponding path program 1 times [2024-11-22 13:12:17,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-22 13:12:17,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1384553943] [2024-11-22 13:12:17,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 13:12:17,888 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 13:12:17,889 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-22 13:12:17,890 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-22 13:12:17,892 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2024-11-22 13:12:18,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 13:12:18,417 INFO L255 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-11-22 13:12:18,425 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 13:12:18,435 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2024-11-22 13:12:18,528 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 29 [2024-11-22 13:12:18,624 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-22 13:12:18,624 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 51 treesize of output 32 [2024-11-22 13:12:18,696 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-22 13:12:18,697 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 51 treesize of output 32 [2024-11-22 13:12:18,786 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-22 13:12:18,786 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 51 treesize of output 32 [2024-11-22 13:12:18,859 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-22 13:12:18,859 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 42 [2024-11-22 13:12:19,013 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-22 13:12:19,013 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 56 treesize of output 55 [2024-11-22 13:12:19,187 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-22 13:12:19,187 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 71 treesize of output 58 [2024-11-22 13:12:19,374 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-22 13:12:19,375 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 66 treesize of output 68 [2024-11-22 13:12:19,586 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-22 13:12:19,586 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 81 treesize of output 71 [2024-11-22 13:12:19,781 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-22 13:12:19,781 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 76 treesize of output 81 [2024-11-22 13:12:20,058 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-22 13:12:20,058 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 80 treesize of output 88 [2024-11-22 13:12:20,258 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-22 13:12:20,259 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 101 treesize of output 97 [2024-11-22 13:12:20,383 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-22 13:12:20,383 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 92 treesize of output 103 [2024-11-22 13:12:20,556 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-22 13:12:20,556 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 117 treesize of output 125 [2024-11-22 13:12:20,756 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-22 13:12:20,757 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 147 treesize of output 75 [2024-11-22 13:12:20,812 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 992 proven. 51 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2024-11-22 13:12:20,813 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 13:12:21,017 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-11-22 13:12:21,017 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-22 13:12:21,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1384553943] [2024-11-22 13:12:21,018 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1384553943] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-22 13:12:21,018 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 13:12:21,018 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [19] total 23 [2024-11-22 13:12:21,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751296382] [2024-11-22 13:12:21,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 13:12:21,018 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-22 13:12:21,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-22 13:12:21,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-22 13:12:21,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=127, Invalid=379, Unknown=0, NotChecked=0, Total=506 [2024-11-22 13:12:21,023 INFO L87 Difference]: Start difference. First operand 159 states and 229 transitions. Second operand has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 7 states have internal predecessors, (68), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-22 13:12:22,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 13:12:22,936 INFO L93 Difference]: Finished difference Result 426 states and 614 transitions. [2024-11-22 13:12:22,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 13:12:22,936 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 7 states have internal predecessors, (68), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 190 [2024-11-22 13:12:22,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 13:12:22,939 INFO L225 Difference]: With dead ends: 426 [2024-11-22 13:12:22,939 INFO L226 Difference]: Without dead ends: 270 [2024-11-22 13:12:22,939 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 380 GetRequests, 354 SyntacticMatches, 3 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=139, Invalid=461, Unknown=0, NotChecked=0, Total=600 [2024-11-22 13:12:22,940 INFO L432 NwaCegarLoop]: 150 mSDtfsCounter, 145 mSDsluCounter, 568 mSDsCounter, 0 mSdLazyCounter, 668 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 718 SdHoareTripleChecker+Invalid, 678 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 668 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-22 13:12:22,940 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 718 Invalid, 678 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 668 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-22 13:12:22,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2024-11-22 13:12:22,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 249. [2024-11-22 13:12:22,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 249 states, 215 states have (on average 1.3953488372093024) internal successors, (300), 216 states have internal predecessors, (300), 31 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (31), 30 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-22 13:12:22,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 362 transitions. [2024-11-22 13:12:22,949 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 362 transitions. Word has length 190 [2024-11-22 13:12:22,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 13:12:22,950 INFO L471 AbstractCegarLoop]: Abstraction has 249 states and 362 transitions. [2024-11-22 13:12:22,950 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 7 states have internal predecessors, (68), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-22 13:12:22,950 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 362 transitions. [2024-11-22 13:12:22,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-11-22 13:12:22,951 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 13:12:22,951 INFO L215 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 13:12:22,964 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Ended with exit code 0 [2024-11-22 13:12:23,152 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 13:12:23,152 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 13:12:23,152 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 13:12:23,152 INFO L85 PathProgramCache]: Analyzing trace with hash -1565710885, now seen corresponding path program 1 times [2024-11-22 13:12:23,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-22 13:12:23,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [366964493] [2024-11-22 13:12:23,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 13:12:23,153 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 13:12:23,153 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-22 13:12:23,157 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-22 13:12:23,158 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process